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Old 12-06-2005, 09:11 PM
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New Trans and Driveshaft - Truck moves when in park

I just installed my new c4 trans and new Denny's driveshaft and found that I am able to push the truck when it is park (and reverse, and drive, and 2 and 1). The trans does not have any fluid in it at this time. Would this have any effect on it being able to move when in park? I poured a quart of trans fluid in the converter when I mounted it on the trans. The trans is hooked up to a Lokar Floor shifter. Any ideas???

I will be calling the shop that built the trans for me tomorrow but was wondering if any of the members here had any ideas.

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Old 12-07-2005, 11:31 AM
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I would suggest disconnecting the shifter cable, and moving the lever into park to see if the parking paw will drop into place. It does not matter if you have fluid in the transmission or not. The parking paw is a mechanical piece that drops into a grove to lock the transmisison into place. There is a spring in the parking paw assembly that could cause problems if it is broken, installed wrong or missing.
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Old 01-28-2006, 08:04 PM
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If the drive shaft turns when pushing it in park,then the dog for the park mechanism is not engaging.

If the shaft isn't turning you could have another problem in your diff.
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